GB686097A - Improvements in or relating to the production of coatings on ferrous articles - Google Patents

Improvements in or relating to the production of coatings on ferrous articles

Info

Publication number
GB686097A
GB686097A GB1729949A GB1729949A GB686097A GB 686097 A GB686097 A GB 686097A GB 1729949 A GB1729949 A GB 1729949A GB 1729949 A GB1729949 A GB 1729949A GB 686097 A GB686097 A GB 686097A
Authority
GB
United Kingdom
Prior art keywords
container
blocks
impregnated
ferrous
coatings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1729949A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ALBERT BRAYBROOK
RONALD RAINSFORTH
Birmingham Small Arms Co Ltd
Original Assignee
ALBERT BRAYBROOK
RONALD RAINSFORTH
Birmingham Small Arms Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ALBERT BRAYBROOK, RONALD RAINSFORTH, Birmingham Small Arms Co Ltd filed Critical ALBERT BRAYBROOK
Priority to GB1729949A priority Critical patent/GB686097A/en
Publication of GB686097A publication Critical patent/GB686097A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)

Abstract

A ferrous article and ceramic material impregnated with a halide of a coating metal are heated at 700-1400 DEG C in a container, the article being out of contact with the material. Porcelain or sillimenite blocks may be impregnated with chromous chloride by lining a container with them and filling the space with chromium, or an alloy or compound thereof, and ammonium chloride or by packing the blocks with intersposed layers of the chromiumammonium chloride mixture, and heating to 700-1400 DEG C. The diffusion container may be lined with the impregnated blocks and the ferrous articles placed on a horizontal shelf or shelves, the container being sealed and evacuted to 0.5-40 mms. of mercury prior to heating.
GB1729949A 1949-06-30 1949-06-30 Improvements in or relating to the production of coatings on ferrous articles Expired GB686097A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1729949A GB686097A (en) 1949-06-30 1949-06-30 Improvements in or relating to the production of coatings on ferrous articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1729949A GB686097A (en) 1949-06-30 1949-06-30 Improvements in or relating to the production of coatings on ferrous articles

Publications (1)

Publication Number Publication Date
GB686097A true GB686097A (en) 1953-01-21

Family

ID=10092743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1729949A Expired GB686097A (en) 1949-06-30 1949-06-30 Improvements in or relating to the production of coatings on ferrous articles

Country Status (1)

Country Link
GB (1) GB686097A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910382A (en) * 1955-06-30 1959-10-27 Vulliez Paul Method of forming surface alloys on metallic articles
DE2614613A1 (en) * 1975-04-04 1976-10-14 Secr Defence Brit PROCEDURE FOR PULLING OBJECTS

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2910382A (en) * 1955-06-30 1959-10-27 Vulliez Paul Method of forming surface alloys on metallic articles
DE2614613A1 (en) * 1975-04-04 1976-10-14 Secr Defence Brit PROCEDURE FOR PULLING OBJECTS

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